93
114
self.transport = transport.clone('.git')
94
115
self._lockfiles = lockfiles
96
def get_branch_transport(self, branch_format):
116
self._mode_check_done = None
118
def _branch_name_to_ref(self, name):
119
from bzrlib.plugins.git.refs import branch_name_to_ref
120
ref = branch_name_to_ref(name, None)
122
from dulwich.repo import SYMREF
123
refcontents = self._git.refs.read_ref(ref)
124
if refcontents.startswith(SYMREF):
125
ref = refcontents[len(SYMREF):]
128
def is_control_filename(self, filename):
129
return filename == '.git' or filename.startswith('.git/')
131
def get_branch_transport(self, branch_format, name=None):
97
132
if branch_format is None:
98
133
return self.transport
99
134
if isinstance(branch_format, LocalGitBzrDirFormat):
100
135
return self.transport
101
raise errors.bzr_errors.IncompatibleFormat(branch_format, self._format)
103
get_repository_transport = get_branch_transport
104
get_workingtree_transport = get_branch_transport
106
def open_branch(self, ignored=None):
136
raise bzr_errors.IncompatibleFormat(branch_format, self._format)
138
def get_repository_transport(self, format):
140
return self.transport
141
if isinstance(format, LocalGitBzrDirFormat):
142
return self.transport
143
raise bzr_errors.IncompatibleFormat(format, self._format)
145
def get_workingtree_transport(self, format):
147
return self.transport
148
if isinstance(format, LocalGitBzrDirFormat):
149
return self.transport
150
raise bzr_errors.IncompatibleFormat(format, self._format)
152
def _open_branch(self, name=None, ignore_fallbacks=None, unsupported=False):
107
153
"""'create' a branch for this dir."""
108
154
repo = self.open_repository()
109
return branch.LocalGitBranch(self, repo, "HEAD", repo._git.head(), self._lockfiles)
155
from bzrlib.plugins.git.branch import LocalGitBranch
156
return LocalGitBranch(self, repo, self._branch_name_to_ref(name),
159
def destroy_branch(self, name=None):
160
del self._git.refs[self._branch_name_to_ref(name)]
162
def destroy_repository(self):
163
raise bzr_errors.UnsupportedOperation(self.destroy_repository, self)
165
def destroy_workingtree(self):
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raise bzr_errors.UnsupportedOperation(self.destroy_workingtree, self)
168
def list_branches(self):
170
for name in self._git.get_refs():
171
if name.startswith("refs/heads/"):
172
ret.append(self.open_branch(name=name))
111
175
def open_repository(self, shared=False):
112
176
"""'open' a repository for this dir."""
113
177
return self._gitrepository_class(self, self._lockfiles)
115
179
def open_workingtree(self, recommend_upgrade=True):
117
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
118
raise errors.bzr_errors.NoWorkingTree(loc)
120
return workingtree.GitWorkingTree(self, self.open_repository(),
180
if not self._git.bare:
181
from dulwich.errors import NoIndexPresent
182
repo = self.open_repository()
184
index = repo._git.open_index()
185
except NoIndexPresent:
188
from bzrlib.plugins.git.workingtree import GitWorkingTree
190
branch = self.open_branch()
191
except bzr_errors.NotBranchError:
194
return GitWorkingTree(self, repo, branch, index)
195
loc = urlutils.unescape_for_display(self.root_transport.base, 'ascii')
196
raise bzr_errors.NoWorkingTree(loc)
123
198
def create_repository(self, shared=False):
124
199
return self.open_repository()
127
class GitBzrDirFormat(bzrdir.BzrDirFormat):
128
_lock_class = TransportLock
130
def is_supported(self):
134
class LocalGitBzrDirFormat(GitBzrDirFormat):
135
"""The .git directory control format."""
137
_gitdir_class = LocalGitDir
140
def _known_formats(self):
141
return set([LocalGitBzrDirFormat()])
143
def open(self, transport, _found=None):
144
"""Open this directory.
147
from bzrlib.plugins.git import git
148
# we dont grok readonly - git isn't integrated with transport.
150
if url.startswith('readonly+'):
151
url = url[len('readonly+'):]
154
gitrepo = git.repo.Repo(transport.local_abspath("."))
155
except errors.bzr_errors.NotLocalUrl:
156
raise errors.bzr_errors.NotBranchError(path=transport.base)
157
lockfiles = GitLockableFiles(transport, GitLock())
158
return self._gitdir_class(transport, lockfiles, gitrepo, self)
161
def probe_transport(klass, transport):
162
"""Our format is present if the transport ends in '.not/'."""
163
from bzrlib.plugins.git import git
164
# little ugly, but works
166
# delegate to the main opening code. This pays a double rtt cost at the
167
# moment, so perhaps we want probe_transport to return the opened thing
168
# rather than an openener ? or we could return a curried thing with the
169
# dir to open already instantiated ? Needs more thought.
171
format.open(transport)
173
except git.errors.NotGitRepository, e:
174
raise errors.bzr_errors.NotBranchError(path=transport.base)
175
raise errors.bzr_errors.NotBranchError(path=transport.base)
177
def get_format_description(self):
178
return "Local Git Repository"
180
def get_format_string(self):
181
return "Local Git Repository"
183
def initialize_on_transport(self, transport):
184
from bzrlib.transport.local import LocalTransport
185
from bzrlib.plugins.git import git
187
if not isinstance(transport, LocalTransport):
188
raise NotImplementedError(self.initialize,
189
"Can't create Git Repositories/branches on "
190
"non-local transports")
192
git.repo.Repo.create(transport.local_abspath("."))
193
return self.open(transport)
195
def is_supported(self):
199
class RemoteGitBzrDirFormat(GitBzrDirFormat):
200
"""The .git directory control format."""
203
def _known_formats(self):
204
return set([RemoteGitBzrDirFormat()])
206
def open(self, transport, _found=None):
207
"""Open this directory.
210
from bzrlib.plugins.git.remote import RemoteGitDir, GitSmartTransport
211
if not isinstance(transport, GitSmartTransport):
212
raise errors.bzr_errors.NotBranchError(transport.base)
213
# we dont grok readonly - git isn't integrated with transport.
215
if url.startswith('readonly+'):
216
url = url[len('readonly+'):]
218
lockfiles = GitLockableFiles(transport, GitLock())
219
return RemoteGitDir(transport, lockfiles, self)
222
def probe_transport(klass, transport):
223
"""Our format is present if the transport ends in '.not/'."""
224
# little ugly, but works
226
from bzrlib.plugins.git.remote import GitSmartTransport
227
if not isinstance(transport, GitSmartTransport):
228
raise errors.bzr_errors.NotBranchError(transport.base)
229
# The only way to know a path exists and contains a valid repository
230
# is to do a request against it:
232
transport.fetch_pack(lambda x: [], None, lambda x: None,
233
lambda x: mutter("git: %s" % x))
234
except errors.git_errors.GitProtocolError:
235
raise errors.bzr_errors.NotBranchError(path=transport.base)
201
def create_branch(self, name=None):
202
refname = self._branch_name_to_ref(name)
203
from dulwich.protocol import ZERO_SHA
204
self._git.refs[refname or "HEAD"] = ZERO_SHA
205
return self.open_branch(name)
207
def backup_bzrdir(self):
209
self.root_transport.copy_tree(".git", ".git.backup")
210
return (self.root_transport.abspath(".git"),
211
self.root_transport.abspath(".git.backup"))
238
raise errors.bzr_errors.NotBranchError(path=transport.base)
240
def get_format_description(self):
241
return "Remote Git Repository"
243
def get_format_string(self):
244
return "Remote Git Repository"
246
def initialize_on_transport(self, transport):
247
raise errors.bzr_errors.UninitializableFormat(self)
213
raise bzr_errors.BzrError("Unable to backup bare repositories")
215
def create_workingtree(self, revision_id=None, from_branch=None,
216
accelerator_tree=None, hardlink=False):
218
raise bzr_errors.BzrError("Can't create working tree in a bare repo")
219
from dulwich.index import write_index
220
from dulwich.pack import SHA1Writer
221
f = open(self.transport.local_abspath("index"), 'w+')
227
return self.open_workingtree()